Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John Friend | True Manufacturing Co. | 3 |
| 2 | Peter Albrecht | Krupp Corpoplast Maschinenbau Gmbh | 2 |
| 2 | Paul L. Stein | Code 3 | 2 |
| #4 | James R. Zimmerle | Acf Industries Incorporated | 1 |
| #4 | Clark D. Michels | — | 1 |
| #4 | Raymond D. Ordoukhanian | — | 1 |
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